Home / 214,675.10-321,976.20-56,919.50

Finding the Fourth Proportional to 214,675.10, 321,976.20 and 56,919.50

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Solution

The fourth proportional to 214,675.10, 321,976.20 and 56,919.50 is: 85,369.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,675.10 : 321,976.20 = 56,919.50 : x
  2. Step 2: Convert to fraction form
    214,675.10/321,976.20 = 56,919.50/x
  3. Step 3: Cross multiply
    214,675.10x = 321,976.20 × 56,919.50
  4. Step 4: Simplify right side
    214,675.10x = 18,326,724,315.90
  5. Step 5: Solve for x
    x = 18,326,724,315.90/214,675.10
  6. Step 6: Final answer
    x = 85,369.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.